CN209889063U - Vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG - Google Patents
Vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG Download PDFInfo
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- CN209889063U CN209889063U CN201821189833.7U CN201821189833U CN209889063U CN 209889063 U CN209889063 U CN 209889063U CN 201821189833 U CN201821189833 U CN 201821189833U CN 209889063 U CN209889063 U CN 209889063U
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Abstract
The utility model discloses a vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG, this vertical strutting arrangement includes: the LNG independent liquid cargo tank funnel-type bottom comprises a moving support, and the moving support comprises a moving reinforcing plate structure, an arc-shaped support bottom plate and a first clamping groove in sequence from top to bottom, wherein the upper part of the moving reinforcing plate structure is fixedly connected with an inclined plane of the funnel-type bottom of the LNG independent liquid cargo tank, the lower part of the moving reinforcing plate structure is fixedly connected with the arc-shaped support bottom plate, and the lower outer edge of the arc-shaped support bottom plate is fixedly connected with the first clamping groove; the first laminated batten is arranged in the first clamping groove, and the upper part of the first laminated batten is in an arc shape matched with the arc-shaped support base plate; a fixed support; and a second laminated batten. The beneficial effects of the utility model are that imitate and avoid thermal transmission, reasonable in design, make convenience, mechanical properties good, thermal insulation performance is good, has fine practical value.
Description
Technical Field
The utility model belongs to the shipbuilding field, concretely relates to vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG.
Background
The conventional A, B type LNG independent cargo tank has a flat bottom, and in order to make LNG cargo flow to the LNG cargo suction port in the middle of the cargo tank better, the novel design concept is to design the bottom of the cargo tank to have an inclined bottom surface with a certain angle, thereby forming a funnel type bottom structure. A. The B-type LNG cargo tank is characterized in that the independent self-supporting type full-cooling low-temperature cargo tank is supported by a support at the bottom, and the periphery of the cargo tank is not connected with other structures of a hull component, so that the load of the independent cargo tank is required to be transferred to a hull structure through the support. The main load of the independent liquid cargo tank is the vertical load generated by the self weight and the liquid cargo weight, in order to reasonably and effectively transmit the vertical load generated by the funnel-shaped independent liquid cargo tank at the bottom to a ship body structure, in the storm condition of an LNG ship, the ship body moves to cause the separation of the laminated wood bonded by epoxy resin, the support can not bear vertical force, so that the stress of other supports is unreasonable, and how to fix the laminated wood is also an important factor for the design of the supporting device. A simple and practical vertical supporting device is researched, the economical efficiency of the support can be improved, and the vertical supporting device is scientific and reasonable.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG, the utility model discloses can imitate and avoid thermal transmission, reasonable in design, manufacturing convenience, mechanical properties are good, and thermal insulation performance is good, has fine practical value.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a vertical support arrangement for a funnel-type bottom of an LNG independent cargo tank, the vertical support arrangement comprising:
the LNG independent liquid cargo tank funnel-type bottom comprises a moving support, and the moving support comprises a moving reinforcing plate structure, an arc-shaped support bottom plate and a first clamping groove in sequence from top to bottom, wherein the upper part of the moving reinforcing plate structure is fixedly connected with an inclined plane of the funnel-type bottom of the LNG independent liquid cargo tank, the lower part of the moving reinforcing plate structure is fixedly connected with the arc-shaped support bottom plate, and the lower outer edge of the arc-shaped support bottom plate is fixedly connected with the first clamping groove;
the first laminated batten is arranged in the first clamping groove, and the upper part of the first laminated batten is in an arc shape matched with the arc-shaped support base plate;
the fixed support comprises a second clamping groove, an arc-shaped support top plate and a fixed reinforcing plate structure from top to bottom in sequence, the bottom of the fixed reinforcing plate structure is fixedly connected to a ship, the top of the fixed reinforcing plate structure is fixedly connected with the arc-shaped support top plate, and the upper outer edge of the arc-shaped support top plate is fixedly connected with the second clamping groove; and
the second laminated batten is arranged in the second clamping groove, the lower portion of the second laminated batten is in an arc shape matched with the arc-shaped support top plate, and the upper portion of the second laminated batten supports the first laminated batten.
Two first clamping groove plates which are oppositely arranged in the transverse direction of the ship in the first clamping groove are respectively provided with a first through hole.
The vertical supporting device further comprises a first bolt which penetrates through the first through hole.
And second through holes are formed in the two second clamping groove plates which are arranged in the second clamping groove along the transverse direction of the ship relatively.
The vertical support device further comprises a second bolt arranged to penetrate through the second through hole.
The upper part of the motion reinforcing plate structure forms an included angle of 1-10 degrees with the horizontal plane in the transverse direction of the ship.
Further, the upper part of the sports stiffener structure forms an angle of 4 degrees with the horizontal plane in the transverse direction of the ship.
The first through hole is 1-10mm larger than the diameter of the first bolt, and the second through hole is 1-10mm larger than the diameter of the second bolt.
Further, the first through hole is 5mm larger than the diameter of the first bolt, and the second through hole is 5mm larger than the diameter of the second bolt.
The first clamping groove and the first laminated batten are bonded, and the second clamping groove and the second laminated batten are bonded through low-temperature-resistant epoxy resin.
The thickness of the low-temperature-resistant epoxy resin is 10 mm.
The movable reinforcing plate structure is provided with a first reinforcing bracket plate, the first reinforcing bracket plate is arranged along the diameter direction of an arc in the circular arc support bottom plate, the fixed reinforcing plate structure is provided with a second reinforcing bracket plate, and the second reinforcing bracket plate is arranged along the diameter direction of an arc in the circular arc support top plate.
The moving support of the vertical supporting device is connected with the LNG independent liquid cargo tank bottom plate in a welding mode, the metal material used by the moving support is low-temperature-resistant metal material 9Ni steel, and the vertical compression strength of the first laminated batten and the second laminated batten reaches 235 MPa.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the device, through reasonable design, vertical loads of the independent liquid cargo tank at the funnel type bottom are effectively transmitted to a ship body, the metal structure of the moving support and the metal structure of the fixed support are not in direct contact, the loads are transmitted through laminated battens, the laminated battens are fixed by low-temperature-resistant epoxy resin and are fixedly connected with the clamping grooves through stainless steel bolts, connection is more effective, and the phenomenon that the laminated battens fall off when a ship moves and materials expand with heat and contract with cold is avoided;
2. the contact surfaces of the moving support, the fixed support and the corresponding laminated battens are arc-shaped, so that load transmission is facilitated;
3. the laminated wood has the advantages that the consumption of the laminated wood is increased, the consumption of the metal support is reduced, the heat insulation performance of the laminated wood is better, the heat transfer is avoided, the effective heat insulation of the low-temperature LNG cabin is ensured, the design is reasonable, the layout is compact, and the economical efficiency is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the schematic diagram of the independent cargo tank of the LNG in the present invention.
Fig. 2 is the utility model discloses well vertical strutting arrangement's horizontal side schematic diagram and partial cutaway view.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.
Fig. 5 is a longitudinal side schematic view of the middle vertical supporting device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-5, the present embodiment provides a vertical supporting device for a funnel-type bottom of an LNG independent cargo tank, comprising:
the LNG independent liquid cargo tank funnel-type bottom inclined plane structure comprises a moving support 1, wherein the moving support 1 sequentially comprises a moving reinforcing plate structure 11, an arc-shaped support bottom plate 12 and a first clamping groove 13 from top to bottom, the upper part of the moving reinforcing plate structure 11 is fixedly connected with an inclined plane 100 of the funnel-type bottom of the LNG independent liquid cargo tank, the lower part of the moving reinforcing plate structure 11 is fixedly connected with the arc-shaped support bottom plate 12, and the lower outer edge of the arc-shaped support bottom plate 12 is fixedly connected with the first clamping groove 13;
the first laminated batten 2 is arranged in the first clamping groove 13, and the upper part of the first laminated batten 2 is in an arc shape matched with the arc-shaped support base plate 12;
the fixed support 3 sequentially comprises a second clamping groove 31, an arc-shaped support top plate 32 and a fixed reinforcing plate structure 33 from top to bottom, the bottom of the fixed reinforcing plate structure 33 is fixedly connected to the ship body structure 200, the top of the fixed reinforcing plate structure 33 is fixedly connected with the arc-shaped support top plate 32, and the upper outer edge of the arc-shaped support top plate 32 is fixedly connected with the second clamping groove 31; and
the second laminated batten 4 is arranged in the second clamping groove 31, the lower portion of the second laminated batten 4 is in an arc shape matched with the arc-shaped support top plate 32, and the upper portion of the second laminated batten 4 supports the first laminated batten 2.
Preferably, in the first card slot 13 of this embodiment, two first card slot 13 plates oppositely arranged along the transverse direction of the ship are provided with first through holes.
As a further preference, the vertical support device of this embodiment further includes a first bolt 132 disposed through the first through hole.
Preferably, in the second card slot 31 of this embodiment, the two second card slot 31 plates oppositely arranged along the transverse direction of the ship are provided with second through holes.
Preferably, the vertical support device further includes a second bolt 312 disposed through the second through hole.
As a further preference, the upper part of the sports stiffener structure 11 according to this embodiment forms an angle of 1 ° to 10 ° with the horizontal plane in the transverse direction of the ship.
Preferably, the first through hole is 1-10mm larger than the diameter of the first bolt 132, and the second through hole is 1-10mm larger than the diameter of the second bolt 312.
In this embodiment, preferably, the first card slot 13 and the first laminated batten 2, and the second card slot 31 and the second laminated batten 4 are bonded together by the low temperature resistant epoxy resin 5.
More preferably, the thickness of the low temperature resistant epoxy resin 5 of the present embodiment is 10 mm.
As a further preference, the kinematic stiffener structure 11 of the present embodiment is provided with a first stiffening web 14, the first stiffening web 14 is arranged along the diameter direction of the circular arc in the circular arc support base plate 12, and the fixed stiffener structure 33 is provided with a second stiffening web 34, the second stiffening web 34 is arranged along the diameter direction of the circular arc in the circular arc support top plate 32.
The installation method of the embodiment comprises the following steps: vertical strutting arrangement evenly sets up at every grade of strong frame department in whole independent cargo tank bottom of LNG, and to the independent cargo tank of LNG that the hold is about 1 ten thousand square, generally need to set up 36 vertical strutting arrangement about.
The installation process comprises the steps of welding and forming the moving support on a prefabricated steel frame platform for placing the supporting device, normally installing the outer plate at the bottom of the bilge subsection upwards after the moving support is welded and formed, forming a full penetration welding groove on the structure of the moving reinforcing plate, and welding the moving support to the bottom of the bilge through the full penetration welding. On next step then pour into the low temperature resistant epoxy of 10mm thick in the first draw-in groove that sets up toward the motion support bottom, install first lamination flitch into first draw-in groove again, then at first lamination flitch and first draw-in groove border gap department all around pour into full low temperature resistant epoxy and bond fixedly to through first bolt and the first draw-in groove board fixed connection of stainless steel.
And all components of the fixed support are installed on the prefabricated steel frame platform for placing the supporting device through welding, and then the fixed support is welded on the hull structure through full penetration. And on the next step, pouring low-temperature-resistant epoxy resin with the thickness of 10mm into a second clamping groove formed in the top of the fixed support, then installing a second laminated batten into the second clamping groove, then fully pouring the low-temperature-resistant epoxy resin into gaps around the edges of the second laminated batten and the second clamping groove for bonding and fixing, and fixedly connecting the second laminated batten and the second clamping groove plate through stainless steel second bolts.
After the LNG independent liquid cargo tank is integrally built and hoisted in place, the LNG independent liquid cargo tank is directly located at the corresponding accurate position, precision control is enhanced in the process of building and hoisting, and the upper laminated wood and the lower laminated wood are enabled to be aligned in position and effectively contacted. And finally, the insulation layer of the LNG independent liquid cargo tank is effectively covered around the supporting device after the vertical supporting device is installed.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention can be made without departing from the spirit and scope of the present invention, and these modifications and improvements are within the spirit and scope of the present invention.
Claims (10)
1. A vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG, its characterized in that, this vertical strutting arrangement includes:
the LNG independent liquid cargo tank hopper-type bottom motion support comprises a motion support (1), wherein the motion support (1) sequentially comprises a motion reinforcing plate structure (11), an arc-shaped support bottom plate (12) and a first clamping groove (13) from top to bottom, the upper part of the motion reinforcing plate structure (11) is fixedly connected with an inclined plane (100) of the funnel-type bottom of the LNG independent liquid cargo tank, the lower part of the motion reinforcing plate structure (11) is fixedly connected with the arc-shaped support bottom plate (12), and the lower outer edge of the arc-shaped support bottom plate (12) is fixedly connected with the first clamping groove (13);
the first laminated batten (2) is arranged in the first clamping groove (13), and the upper part of the first laminated batten (2) is in an arc shape matched with the arc-shaped support base plate (12);
the fixed support (3) sequentially comprises a second clamping groove (31), an arc-shaped support top plate (32) and a fixed reinforcing plate structure (33) from top to bottom, the bottom of the fixed reinforcing plate structure (33) is fixedly connected to the ship body structure (200), the top of the fixed reinforcing plate structure (33) is fixedly connected with the arc-shaped support top plate (32), and the upper outer edge of the arc-shaped support top plate (32) is fixedly connected with the second clamping groove (31); and
the second laminated batten (4) is arranged in the second clamping groove (31), the lower portion of the second laminated batten (4) is in an arc shape matched with the arc-shaped support top plate (32), and the upper portion of the second laminated batten (4) supports the first laminated batten (2).
2. Vertical support device for the funnel-type bottom of an LNG independent cargo tank according to claim 1, characterized in that the first clamping grooves (13) are provided with first through holes on two first clamping groove (13) plates which are oppositely arranged in the transverse direction of the ship.
3. The vertical support of the funneled bottom of an LNG-independent cargo tank according to claim 2, characterised in that it further comprises a first bolt (132) arranged through the first through hole.
4. Vertical support device for the funnel-type bottom of an LNG-independent cargo tank according to claim 3, characterized in that the second through-holes are provided in both of the two second locking groove (31) plates of the second locking groove (31) that are oppositely arranged in the transverse direction of the ship.
5. The vertical support means of the funneled bottom of an LNG independent cargo tank of claim 4 further comprising a second bolt (312) disposed through the second through hole.
6. Vertical support arrangement for the funnel-type bottom of an LNG-independent cargo tank according to claim 1, characterised in that the upper part of the kinematic stiffener structure (11) is at an angle of 1-10 ° to the horizontal plane in the transverse direction of the vessel.
7. Vertical support arrangement for the funnel-type bottom of an LNG independent cargo tank according to claim 5, characterized in that the first through-hole is 1-10mm larger than the diameter of the first bolt (132) and the second through-hole is 1-10mm larger than the diameter of the second bolt (312).
8. Vertical support device for the funnel-type bottom of an LNG independent cargo tank according to claim 1, characterized in that the first clamping groove (13) and the first laminated batten (2) and the second clamping groove (31) and the second laminated batten (4) are bonded through low temperature resistant epoxy resin (5).
9. Vertical support arrangement for the funnel-type bottom of an LNG-independent cargo tank according to claim 8, characterized in that the thickness of the low temperature resistant epoxy (5) is 10 mm.
10. Vertical support arrangement for the funnelled bottom of an LNG-independent cargo tank according to claim 1, characterised in that a first reinforcing bracket (14) is arranged in the moving reinforcing plate structure (11), which first reinforcing bracket (14) is arranged along the diameter of the circular arc in the circular arc shaped seat bottom plate (12), and a second reinforcing bracket (34) is arranged in the fixed reinforcing plate structure (33), which second reinforcing bracket (34) is arranged along the diameter of the circular arc in the circular arc shaped seat top plate (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821189833.7U CN209889063U (en) | 2018-07-26 | 2018-07-26 | Vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821189833.7U CN209889063U (en) | 2018-07-26 | 2018-07-26 | Vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG |
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| CN209889063U true CN209889063U (en) | 2020-01-03 |
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| CN201821189833.7U Active CN209889063U (en) | 2018-07-26 | 2018-07-26 | Vertical strutting arrangement of independent cargo tank funnel formula bottom of LNG |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682431A (en) * | 2021-09-17 | 2021-11-23 | 沪东中华造船(集团)有限公司 | Top rolling-proof support structure for B-type independent liquid cargo tank |
| CN114074746A (en) * | 2020-08-20 | 2022-02-22 | 江南造船(集团)有限责任公司 | Liquid cargo ship with multidirectional limiting and supporting device |
| WO2023151178A1 (en) * | 2022-02-10 | 2023-08-17 | 江南造船(集团)有限责任公司 | Heat insulation system of b-type liquid cargo tank and b-type liquid cargo tank |
-
2018
- 2018-07-26 CN CN201821189833.7U patent/CN209889063U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114074746A (en) * | 2020-08-20 | 2022-02-22 | 江南造船(集团)有限责任公司 | Liquid cargo ship with multidirectional limiting and supporting device |
| CN113682431A (en) * | 2021-09-17 | 2021-11-23 | 沪东中华造船(集团)有限公司 | Top rolling-proof support structure for B-type independent liquid cargo tank |
| WO2023151178A1 (en) * | 2022-02-10 | 2023-08-17 | 江南造船(集团)有限责任公司 | Heat insulation system of b-type liquid cargo tank and b-type liquid cargo tank |
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